Question

4a^2+8a-20=0

Answer 1

Simplify it, divide by 4:

Answer 2

@Mujod122 Can you do it?

Answer 3

wait im on to something i can feel it..

Answer 4

is it a=-10/4 a=2

Answer 5

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Answer 6

Nope...
4a^2+8a-20=0 , both sides divided by 4
a^2 + 2a -5 =0
You have to use quadratic formula to solve it

Answer 7

a is equal to negative square root of 6. The answer is derived by completing the square

Answer 8

@IOU If you really do the completing of square, you 'll not get \[a=-\sqrt6\]
Check it again...